Assembler 3



#7

Hi all.
I've finally figured out that since I don't have
any documentation, this is probably the right place to ask.

I have an MLDL for my HP-41, and have had it for years.
It's fun playing with, and works nice with my ZENROM.

However, there is also a ROM in there, which holds
Assembler 3. Lots of functions, but I haven't got the
first clue on how to use this.

Does anyone have more information about this
"module"/software?


#8

Possibly a Davids ROM (?). What are the functions provided?


#9

Hi,

the Assembler3 eprom and the David Assembler are completely different things.

Assembler3 provides various functions to manipulate data,
on the stack and/or in 'ROM',whereas the David Assembler has a built-in user interface, which lets you code directly, like you key in a user code program.
Supporting the David Assembler is a so-called mainframe Labels ROM, which includes all the entries of the HP-41.
It came with a suitable keyboard overlay

The DA was my vavourite coding tool back then.

Maybe there's a function description of ASSEM3 and DAVID-ASSEM somewhere here in the museum.

Regards,

Raymond


#10

Aha! So atleast someone knows about them.

Unfortunately I have not been able to find any
documentation anywhere around here.

Got any other good ideas on where I could find
information?

Also, the DAVID-ASSEM sounds really nice. Do you know
where I could find an image?
My MLDL have 27C256 and I can burn those...

#11

ASSEMBLER 3
AND
OR
APPFN
ASSEM
DISASM
A>X
X>A
BCD>BIN
BIN>BCD
CF55
SF55
CLROM
CODE
DECODE
COMPILE
COPYROM
CVIEW
VIEWA
DISS
GETPC
PUTPC
HEXKB
INSBYTE
RCLBYTE
STOBYTE
LOADP
MLDL?
NEXTFN
NRCL
NSTO
PCWRT
REG>ROM
ROM>REG
ROM>X
X>ROM
ROM?
RXL
RXR
SXL
SXR
X>$
X+Y
Y-X
1CMP
2CMP
1-D
2-D
3-D
4-D

Some of these I can guess, but the more complex stuff
really makes me want a manual. :-)


#12

Hi;

Let me see:

CF55 clears system flag 55 (Printer not connected)

SF55 sets flag 55 (Printer connected)

These are internal operations. I used to think 41's checking procedures would crash if some sort of internal interference occur. Wow.

Out here we do not have access to these inner words...

Cheers.


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